Bounds on Low Scale Gravity from RICE data and Cosmogenic Neutrino Flux Models
arXiv:hep-ph/0510083 · doi:10.1016/j.physletb.2006.01.029
Abstract
We explore limits on low scale gravity models set by results from the Radio Ice Cherenkov Experiment's (RICE) ongoing search for cosmic ray neutrinos in the cosmogenic, or GZK, energy range. The bound on M_D, the fundamental scale of gravity, depends upon cosmogenic flux model, black hole formation and decay treatments, inclusion of graviton mediated elastic neutrino processes, and the number of large extra dimensions, d. Assuming proton-based cosmogenic flux models that cover a broad range of flux possibilities, we find bounds in the interval 0.9 TeV <M_D< 10 TeV. Heavy nucleus-based models generally lead to smaller fluxes and correspondingly weaker bounds. Values d = 5, 6 and 7, for which laboratory and astrophysical bounds on LSG models are less restrictive, lead to essentially the same limits on M_D.
Case with heavy-nucleus-based neutrino fluxes added; references added; 9 pages, 3 figs., submitted to Phys. Lett. B
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Cited by in corpus (5)
- RICE Limits on the Diffuse Ultra-High Energy Neutrino Flux
- Extracting the Energy-Dependent Neutrino-Nucleon Cross Section Above 10 TeV Using IceCube Showers
- Black Holes at the IceCube Neutrino Telescope
- Eikonal contributions to ultra high energy neutrino-nucleon cross sections in low scale gravity models
- Radiowave Neutrino Detection